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USPTO Patent Rankings Data through Dec 31, 2025
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Eiichi Kunitake — 4 Patents

HCHitachi Cable: 4 patents #157 of 1,086Top 15%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Eiichi Kunitake has been granted 4 US patents while listed as an inventor at Hitachi Cable. The first was granted in 2004 and the most recent in March 2009. Eiichi Kunitake ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Eiichi Kunitake in Tokyo, JP.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7504772 Light-emitting diode array Tomihisa Yukimoto, Satoshi Sugiyama, Yosuke Komori, Toshimitsu Sukegawa 2009-03-17 $87,000
7271421 Light-emitting diode array Tomihisa Yukimoto, Satoshi Sugiyama, Toshimitsu Sukegawa, Masahiro Noguchi 2007-09-18 $160,000
7112824 Light-emitting diode array Tomihisa Yukimoto, Yukio Sasaki 2006-09-26 $145,000
6781157 Light emitting device and process for producing the same Masahiro Noguchi, Genta Koizumi 2004-08-24 $174,000